A worker is dwarfed against the sky as he stands at the top of the Olympic cauldron ahead of the 2014 Winter Olympics, Tuesday, Feb. 4, 2014, in Sochi, Russia. (AP Photo/Wong Maye-E)

A worker is dwarfed against the sky as he stands at the top of the Olympic cauldron ahead of the 2014 Winter Olympics, Tuesday, Feb. 4, 2014, in Sochi, Russia. (AP Photo/Wong Maye-E)

Photo: Wong Maye-E, Associated Press

A worker is dwarfed against the sky as he stands at the top of the... Photo-5825405.79125 - Houston Chronicle

Image 7 of 24

A Russian woman wearing a jacket of the Russian Olympic team prays inside St. Michael the Archangel Cathedral, Tuesday, Feb. 4, 2014, in Sochi, Russia. The opening ceremony for the games will be held on Feb. 7. (AP Photo/Bernat Armangue) less

A Russian woman wearing a jacket of the Russian Olympic team prays inside St. Michael the Archangel Cathedral, Tuesday, Feb. 4, 2014, in Sochi, Russia. The opening ceremony for the games will be held on Feb. 7. ... more

Photo: Bernat Armangue, Associated Press

A Russian woman wearing a jacket of the Russian Olympic team prays... Photo-5825410.79125 - Houston Chronicle

Image 8 of 24

A worker climbs down a roof top of the Bolshoy Ice Dome, site of the ice hockey competitions, ahead of the 2014 Winter Olympics, Tuesday, Feb. 4, 2014, in Sochi, Russia. (AP Photo/Petr David Josek)

A worker climbs down a roof top of the Bolshoy Ice Dome, site of the ice hockey competitions, ahead of the 2014 Winter Olympics, Tuesday, Feb. 4, 2014, in Sochi, Russia. (AP Photo/Petr David Josek)

Photo: Petr David Josek, Associated Press

A worker climbs down a roof top of the Bolshoy Ice Dome, site of... Photo-5825407.79125 - Houston Chronicle

Spectators photograph water fountains at Olympic Park during final preparations before the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Sochi, Russia. The opening ceremony for the games is Feb. 7, and the competition will run until Feb. 23. (AP Photo/Robert F. Bukaty) less

Spectators photograph water fountains at Olympic Park during final preparations before the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Sochi, Russia. The opening ceremony for the games is Feb. 7, and the ... more

Rosa village is seen from a gondola prior to the 2014 Winter Olympics, Tuesday, Feb. 4, 2014, in Krasnaya Polyana, Russia. The opening ceremony for the games is Feb. 7, and the competition will run until Feb. 23. (AP Photo/Jae C. Hong) less

Rosa village is seen from a gondola prior to the 2014 Winter Olympics, Tuesday, Feb. 4, 2014, in Krasnaya Polyana, Russia. The opening ceremony for the games is Feb. 7, and the competition will run until Feb. ... more

Photo: Jae C. Hong, Associated Press

Rosa village is seen from a gondola prior to the 2014 Winter... Photo-5825422.79125 - Houston Chronicle

Image 12 of 24

Skiers reach the top of a mountain near the start of the men's downhill ski course ahead of the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Krasnaya Polyana, Russia. (AP Photo/Alessandro Trovati)

Skiers reach the top of a mountain near the start of the men's downhill ski course ahead of the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Krasnaya Polyana, Russia. (AP Photo/Alessandro Trovati)

Photo: Alessandro Trovati, Associated Press

Skiers reach the top of a mountain near the start of the men's... Photo-5825416.79125 - Houston Chronicle

A Japanese skater is blurred by the use of a slow shutter speed on the camera as he passes the Olympic Rings during a warmup lap at Adler Arena Skating Center at the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Sochi, Russia. (AP Photo/Peter Dejong) less

A Japanese skater is blurred by the use of a slow shutter speed on the camera as he passes the Olympic Rings during a warmup lap at Adler Arena Skating Center at the 2014 Winter Olympics, Monday, Feb. 3, 2014, ... more

Photo: Peter Dejong, Associated Press

A Japanese skater is blurred by the use of a slow shutter speed on... Photo-5825418.79125 - Houston Chronicle

Image 18 of 24

Police patrol along the boardwalk on the Black Sea accompanied by a stray dog outside the Olympic Park at the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Sochi, Russia. (AP Photo/David Goldman)

Police patrol along the boardwalk on the Black Sea accompanied by a stray dog outside the Olympic Park at the 2014 Winter Olympics, Monday, Feb. 3, 2014, in Sochi, Russia. (AP Photo/David Goldman)

Photo: David Goldman, Associated Press

Police patrol along the boardwalk on the Black Sea accompanied by a... Photo-5825421.79125 - Houston Chronicle

Image 19 of 24

Leonid Semonischev starts up a bumper car as a child's amusement park prepares to open for the day in the Khosta district, Saturday, Feb. 1, 2014, in Sochi, Russia, home of the upcoming 2014 Winter Olympics. (AP Photo/David Goldman) less

Leonid Semonischev starts up a bumper car as a child's amusement park prepares to open for the day in the Khosta district, Saturday, Feb. 1, 2014, in Sochi, Russia, home of the upcoming 2014 Winter Olympics. ... more